Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 10
Metals and non-metals
Textbook based HOTS
21.
Multiple Choice Question Answer XXI
Exercise condition:
2
m.
1.
Food cans are coated with tin and not with zinc because -
Zinc is costlier than tin
Zinc is more reactive that tin
Zinc has higher melting point than tin
Zinc is less reactive than tin
2.
Chemical rust is-
Hydrated ferrous oxide
Hydrated ferric oxide
Only ferric oxide
None of these
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!